Dell PowerEdge R340 Reference guide

PowerEdge R340
Dell
Brand
Dell
Model
PowerEdge R340
Type
Reference guide

This manual is also suitable for

Dell EMC PowerEdge T340
BIOS and UEFI Reference Guide
Part Number: E60S
Regulatory Type: E60S001
Dec 2020
Rev. A00
Notes, cautions, and warnings
NOTE: A NOTE indicates important information that helps you make better use of your product.
CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid
the problem.
WARNING: A WARNING indicates a potential for property damage, personal injury, or death.
© 2018 - 2020 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries.
Other trademarks may be trademarks of their respective owners.
Chapter 1: Pre-operating system management applications...........................................................4
Options to manage the pre-operating system applications.......................................................................................4
System Setup....................................................................................................................................................................... 4
Viewing System Setup..................................................................................................................................................4
System Setup details.................................................................................................................................................... 5
System BIOS................................................................................................................................................................... 5
iDRAC Settings utility................................................................................................................................................. 22
Device Settings............................................................................................................................................................ 22
Dell Lifecycle Controller................................................................................................................................................... 22
Embedded system management..............................................................................................................................22
Boot Manager.....................................................................................................................................................................23
Viewing Boot Manager............................................................................................................................................... 23
Boot Manager main menu..........................................................................................................................................23
One-shot UEFI boot menu........................................................................................................................................ 23
System Utilities............................................................................................................................................................ 23
PXE boot............................................................................................................................................................................. 23
Contents
Contents 3
Pre-operating system management
applications
You can manage basic settings and features of a system without booting to the operating system by using the system firmware.
Topics:
• Options to manage the pre-operating system applications
• System Setup
• Dell Lifecycle Controller
• Boot Manager
• PXE boot
Options to manage the pre-operating system
applications
Your system has the following options to manage the pre-operating system applications:
● System Setup
● Dell Lifecycle Controller
● Boot Manager
● Preboot Execution Environment (PXE)
System Setup
By using the System Setup screen, you can configure the BIOS settings, iDRAC settings, and device settings of your system.
NOTE:
Help text for the selected field is displayed in the graphical browser by default. To view the help text in the text
browser, press F1.
You can access system setup by one of the following:
● Standard graphical browser—The browser is enabled by default.
● Text browser—The browser is enabled by using Console Redirection.
Viewing System Setup
To view the System Setup screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
1
4 Pre-operating system management applications
System Setup details
The System Setup Main Menu screen details are explained as follows:
Option Description
System BIOS Enables you to configure BIOS settings.
iDRAC Settings Enables you to configure the iDRAC settings.
The iDRAC settings utility is an interface to set up and configure the iDRAC parameters by using UEFI
(Unified Extensible Firmware Interface). You can enable or disable various iDRAC parameters by using the
iDRAC settings utility. For more information about this utility, see Integrated Dell Remote Access
Controller User’s Guide at www.dell.com/poweredgemanuals.
Device Settings Enables you to configure device settings.
System BIOS
You can use the System BIOS screen to edit specific functions such as boot order, system password, setup password, set the
SATA mode, and enable or disable USB ports.
Viewing System BIOS
To view the System BIOS screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If the operating system begins to load before you press F2, wait for the system to finish booting, and then
restart the system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
System BIOS Settings details
About this task
The System BIOS Settings screen details are explained as follows:
Option
Description
System
Information
Specifies information about the system such as the system model name, BIOS version, and Service Tag.
Memory Settings Specifies information and options related to the installed memory.
Processor
Settings
Specifies information and options related to the processor such as speed and cache size.
SATA Settings Specifies options to enable or disable the integrated SATA controller and ports.
Boot Settings
Specifies options to specify the Boot mode (BIOS or UEFI). Enables you to modify UEFI and BIOS boot
settings.
Network Settings Specifies options to manage the UEFI network settings and boot protocols.
Legacy network settings are managed from the Device Settings menu.
Pre-operating system management applications 5
Option Description
Integrated
Devices
Specifies options to manage integrated device controllers and ports, specifies related features and
options.
Serial
Communication
Specifies options to manage the serial ports, its related features and options.
System Profile
Settings
Specifies options to change the processor power management settings, memory frequency.
System Security Specifies options to configure the system security settings, such as system password, setup password,
Trusted Platform Module (TPM) security, and UEFI secure boot. It also manages the power button on the
system.
Redundant OS
Control
Sets the redundant OS info for redundant OS control.
Miscellaneous
Settings
Specifies options to change the system date and time.
System Information
You can use the System Information screen to view system properties such as Service Tag, system model name, and BIOS
version.
Viewing System Information
To view the System Information screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click System Information.
System Information details
About this task
The System Information screen details are explained as follows:
Option
Description
System Model
Name
Specifies the system model name.
System BIOS
Version
Specifies the BIOS version installed on the system.
System
Management
Engine Version
Specifies the current version of the Management Engine firmware.
System Service
Tag
Specifies the system Service Tag.
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Option Description
System
Manufacturer
Specifies the name of the system manufacturer.
System
Manufacturer
Contact
Information
Specifies the contact information of the system manufacturer.
System CPLD
Version
Specifies the current version of the system complex programmable logic device (CPLD) firmware.
UEFI Compliance
Version
Specifies the UEFI compliance level of the system firmware.
Memory Settings
You can use the Memory Settings screen to view all the memory settings and enable or disable specific memory functions,
such as system memory testing and node interleaving.
Viewing Memory Settings
To view the Memory Settings screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If the operating system begins to load before you press F2, wait for the system to finish booting, and then
restart the system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Memory Settings.
Memory Settings details
About this task
The Memory Settings screen details are explained as follows:
Option
Description
System Memory
Size
Specifies the memory size in the system.
System Memory
Type
Specifies the type of memory installed in the system.
System Memory
Speed
Specifies the system memory speed.
System Memory
Voltage
Specifies the system memory voltage.
Video Memory Specifies the amount of video memory.
System Memory
Testing
Specifies whether the system memory tests are run during system boot. Options are Enabled and
Disabled. This option is set to Disabled by default.
Pre-operating system management applications 7
Option Description
Memory
Operating Mode
Specifies the memory operating mode. This option is set to Optimizer Mode by default.
NOTE: The Memory Operating Mode option can have different default and available options based
on the memory configuration of your system.
Current State of
Memory
Operating Mode
Specifies the current state of the memory operating mode.
Processor Settings
You can use the Processor Settings screen to view the processor settings, and perform specific functions such as enabling
virtualization technology, hardware prefetcher, and logical processor idling.
Viewing Processor Settings
To view the Processor Settings screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Processor Settings.
Processor Settings details
About this task
The Processor Settings screen details are explained as follows:
Option
Description
Logical
Processor
Enables or disables the logical processors and displays the number of logical processors. If this option is
set to Enabled, the BIOS displays all the logical processors. If this option is set to Disabled, the BIOS
displays only one logical processor per core. This option is set to Enabled by default.
Virtualization
Technology
Enables or disables the virtualization technology for the processor. This option is set to Enabled by
default.
Adjacent Cache
Line Prefetch
Optimizes the system for applications that need high utilization of sequential memory access. This option
is set to Enabled by default. You can disable this option for applications that need high utilization of
random memory access.
Hardware
Prefetcher
Enables or disables the hardware prefetcher. This option is set to Enabled by default.
Logical
Processor Idling
Enables you to improve the energy efficiency of a system. It uses the operating system core parking
algorithm and parks some of the logical processors in the system which in turn allows the corresponding
processor cores to transition into a lower power idle state. This option can only be enabled if the
operating system supports it. It is set to Disabled by default.
x2APIC Mode Enables or disables the x2APIC mode. This option is set to Disabled by default.
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Option Description
Number of Cores
per Processor
Controls the number of enabled cores in each processor. This option is set to All by default.
Processor Core
Speed
Specifies the maximum core frequency of the processor.
Processor 1
The following settings are displayed for each processor installed in the system:
Option Description
Family-Model-
Stepping
Specifies the family, model, and stepping of the processor as defined by Intel.
Brand Specifies the brand name.
Level 2 Cache Specifies the total L2 cache.
Level 3 Cache Specifies the total L3 cache.
Number of Cores Specifies the number of cores per processor.
Microcode Specifies the microcode.
SATA Settings
You can use the SATA Settings screen to view the SATA settings of SATA devices and enable SATA on your system.
Viewing SATA Settings
To view the SATA Settings screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click SATA Settings.
SATA Settings details
About this task
The SATA Settings screen details are explained as follows:
Option
Description
Embedded SATA Enables the embedded SATA option to be set to Off, AHCI, or RAID modes. This option is set to AHCI
Mode by default.
Security Freeze
Lock
Sends Security Freeze Lock command to the embedded SATA drives during POST. This option is
applicable only for AHCI Mode. This option is set to Enabled by default.
Write Cache Enables or disables the command for the embedded SATA drives during POST. This option is set to
Disabled by default.
Port n Sets the drive type of the selected device.
Pre-operating system management applications 9
Option Description
For AHCI Mode or RAID Mode, BIOS support is always enabled.
Option Description
Model Specifies the drive model of the selected device.
Drive Type Specifies the type of drive attached to the SATA port.
Capacity Specifies the total capacity of the drive. This field is undefined for removable media
devices such as optical drives.
Boot Settings
You can use the Boot Settings screen to set the boot mode to either BIOS or UEFI. It also enables you to specify the boot
order.
● UEFI: The Unified Extensible Firmware Interface (UEFI) is a new interface between operating systems and platform
firmware. The interface consists of data tables with platform related information, boot and runtime service calls that are
available to the operating system and its loader. The following benefits are available when the Boot Mode is set to UEFI:
○ Support for drive partitions larger than 2 TB.
○ Enhanced security (e.g., UEFI Secure Boot).
○ Faster boot time.
● BIOS: The BIOS Boot Mode is the legacy boot mode. It is maintained for backward compatibility.
Viewing Boot Settings
To view the Boot Settings screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Boot Settings.
Boot Settings details
About this task
The Boot Settings screen details are explained as follows:
Option
Description
Boot Mode Enables you to set the boot mode of the system.
CAUTION: Switching the boot mode may prevent the system from booting if the operating
system is not installed in the same boot mode.
If the operating system supports UEFI, you can set this option to UEFI. Setting this field to BIOS allows
compatibility with non-UEFI operating systems. This option is set to UEFI by default.
NOTE: Setting this field to UEFI disables the BIOS Boot Settings menu.
10 Pre-operating system management applications
Option Description
Boot Sequence
Retry
Enables or disables the Boot Sequence Retry feature. If this option is set to Enabled and the system
fails to boot, the system re-attempts the boot sequence after 30 seconds. This option is set to Enabled
by default.
Hard-Disk
Failover
Specifies the drive that is booted in the event of a drive failure. The devices are selected in the Hard-
Disk Drive Sequence on the Boot Option Setting menu. When this option is set to Disabled, only the
first drive in the list is attempted to boot. When this option is set to Enabled, all drives are attempted to
boot in the order selected in the Hard-Disk Drive Sequence. This option is not enabled for UEFI Boot
Mode. This option is set to Disabled by default.
Generic USB
boot
Enables or disables generic USB boot. This option is set to Disabled by default.
Hard-disk Drive
Placeholder
Enables or disables Hard-disk Drive Placeholder.
UEFI Boot
Settings
Enables or disables UEFI Boot options.
The Boot options include IPv4 PXE and IPv6 PXE. This option is set to IPv4 by default.
NOTE: This option is enabled only if the boot mode is UEFI.
UEFI Boot
Sequence
Enables you to change the boot device order.
Boot Options
Enable/Disable
Enables you to select the enabled or disabled boot devices.
Network Settings
You can use the Network Settings screen to modify UEFI PXE, iSCSI, and HTTP boot settings. The network settings option is
available only in the UEFI mode.
NOTE:
BIOS does not control network settings in the BIOS mode. For the BIOS boot mode, the optional Boot ROM of the
network controllers handles the network settings.
Viewing Network Settings
To view the Network Settings screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Network Settings.
Pre-operating system management applications
11
Network Settings screen details
The Network Settings screen details are explained as follows:
About this task
Option Description
PXE Device n (n
= 1 to 4)
Enables or disables the device. When enabled, a UEFI PXE boot option is created for the device.
PXE Device n
Settings(n = 1 to
4)
Enables you to control the configuration of the PXE device.
HTTP Device n (n
= 1 to 4)
Enables or disables the device. When enabled, a UEFI HTTP boot option is created for the device.
HTTP Device n
Settings (n = 1 to
4)
Enables you to control the configuration of the HTTP device.
UEFI iSCSI
Settings
Enables you to control the configuration of the iSCSI device.
Table 1. UEFI iSCSI Settings screen details
Option Description
iSCSI Initiator Name Specifies the name of the iSCSI initiator in IQN
format.
iSCSI Device1 Enables or disables the iSCSI device. When
enabled, a UEFI boot option is created for the
iSCSI device automatically. This is set to Enabled
by default.
iSCSI Device1 Settings Enables you to control the configuration of the
iSCSI device.
Integrated Devices
You can use the Integrated Devices screen to view and configure the settings of all integrated devices including the video
controller, integrated RAID controller, and the USB ports.
Viewing Integrated Devices
To view the Integrated Devices screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Integrated Devices.
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Pre-operating system management applications
Integrated Devices details
About this task
The Integrated Devices screen details are explained as follows:
Option Description
User Accessible
USB Ports
Configures the user accessible USB ports. Selecting Only Back Ports On disables the front USB ports;
selecting All Ports Off disables all front and back USB ports;
The USB keyboard and mouse still function in certain USB ports during the boot process, depending on
the selection. After the boot process is complete, the USB ports will be enabled or disabled as per the
setting.
NOTE: Selecting Only Back Ports On and All Ports Off disables the USB management port and
also restricts access to the iDRAC features.
Internal USB
Port
Enables or disables the internal USB port. This option is set to On or Off. This option is set to On by
default.
iDRAC Direct
USB Port
The iDRAC Direct USB port is managed by iDRAC exclusively with no host visibility. This option is set to
ON or OFF. When set to OFF, iDRAC does not detect any USB devices installed in this managed port.
This option is set to On by default.
Embedded NIC1
and NIC2
NOTE: The Embedded NIC1 and NIC2 options are only available on systems that do not have
Integrated Network Card 1.
Enables or disables the Embedded NIC1 and NIC2 options. If set to Disabled, the NIC may still be
available for shared network access by the embedded management controller. The embedded NIC1 and
NIC2 options are only available on systems that do not have Network Daughter Cards (NDCs). The
Embedded NIC1 and NIC2 option is mutually exclusive with the Integrated Network Card 1 option.
Configure the Embedded NIC1 and NIC2 option by using the NIC management utilities of the system.
I/OAT DMA
Engine
Enables or disables the I/O Acceleration Technology (I/OAT) option. I/OAT is a set of DMA features
designed to accelerate network traffic and lower CPU utilization. Enable only if the hardware and
software support the feature.
Embedded Video
Controller
Enables or disables the use of Embedded Video Controller as the primary display. When set to Enabled,
the Embedded Video Controller will be the primary display even if add-in graphic cards are installed. When
set to Disabled, an add-in graphics card will be used as the primary display. BIOS will output displays to
both the primary add-in video and the embedded video during POST and pre-boot environment. The
embedded video will then be disabled right before the operating system boots. This option is set to
Enabled by default.
NOTE: When there are multiple add-in graphic cards installed in the system, the first card discovered
during PCI enumeration is selected as the primary video. You might have to re-arrange the cards in
the slots in order to control which card is the primary video.
Current State of
Embedded Video
Controller
Displays the current state of the embedded video controller. The Current State of Embedded Video
Controller option is a read-only field. If the Embedded Video Controller is the only display capability in the
system (that is, no add-in graphics card is installed), then the Embedded Video Controller is automatically
used as the primary display even if the Embedded Video Controller setting is set to Enabled.
OS Watchdog
Timer
If your system stops responding, this watchdog timer aids in the recovery of your operating system. When
this option is set to Enabled, the operating system initializes the timer. When this option is set to
Disabled (the default), the timer does not have any effect on the system.
Memory Mapped
I/O above 4 GB
Enables or disables the support for the PCIe devices that need large amounts of memory. Enable this
option only for 64-bit operating systems. This option is set to Enabled by default.
Slot Disablement Enables or disables the available PCIe slots on your system. The slot disablement feature controls the
configuration of the PCIe cards installed in the specified slot. Slots must be disabled only when the
installed peripheral card prevents booting into the operating system or causes delays in system startup. If
the slot is disabled, both the Option ROM and UEFI drivers are disabled. Only slots that are present on the
system will be available for control.
Pre-operating system management applications 13
Option Description
Table 2. Slot Disablement
Option Description
Slot 1
Enables or disables or only the boot driver is
disabled for the PCIe slot 1. This option is set to
Enabled by default.
Slot 2
Enables or disables or only the boot driver is
disabled for the PCIe slot 2. This option is set to
Enabled by default.
Slot 3
Enables or disables or only the boot driver is
disabled for the PCIe slot 3. This option is set to
Enabled by default.
Slot 4
Enables or disables or only the boot driver is
disabled for the PCIe slot 4. This option is set to
Enabled by default.
Serial Communication
You can use the Serial Communication screen to view the properties of the serial communication port.
Viewing Serial Communication
To view the Serial Communication screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Serial Communication.
Serial Communication details
About this task
The Serial Communication screen details are explained as follows:
Option
Description
Serial
Communication
Selects serial communication devices (Serial Device 1 and Serial Device 2) in BIOS. BIOS console
redirection can also be enabled, and the port address can be specified. This option is set to Auto by
default.
Serial Port
Address
Enables you to set the port address for serial devices. This field sets the serial port address to either
COM1 or COM2 (COM1=0x3F8, COM2=0x2F8). This option is set to Serial Device1=COM2 or Serial
Device 2=COM1 by default.
14 Pre-operating system management applications
Option Description
NOTE: You can use only Serial Device 2 for the Serial Over LAN (SOL) feature. To use console
redirection by SOL, configure the same port address for console redirection and the serial device.
NOTE: Every time the system boots, the BIOS syncs the serial MUX setting saved in iDRAC. The
serial MUX setting can independently be changed in iDRAC. Loading the BIOS default settings from
within the BIOS setup utility may not always revert the serial MUX setting to the default setting of
Serial Device 1.
External Serial
Connector
Enables you to associate the External Serial Connector to Serial Device 1, Serial Device 2, or the
Remote Access Device by using this option. This option is set to Serial Device 1 by default.
NOTE: Only Serial Device 2 can be used for Serial Over LAN (SOL). To use console redirection by
SOL, configure the same port address for console redirection and the serial device.
NOTE: Every time the system boots, the BIOS syncs the serial MUX setting saved in iDRAC. The
serial MUX setting can independently be changed in iDRAC. Loading the BIOS default settings from
within the BIOS setup utility may not always revert this setting to the default setting of Serial Device
1.
Failsafe Baud
Rate
Specifies the failsafe baud rate for console redirection. The BIOS attempts to determine the baud rate
automatically. This failsafe baud rate is used only if the attempt fails, and the value must not be changed.
This option is set to 115200 by default.
Remote Terminal
Type
Sets the remote console terminal type. This option is set to ANSIVT100/VT220 by default.
Redirection After
Boot
Enables or disables the BIOS console redirection when the operating system is loaded. This option is set
to Enabled by default.
System Profile Settings
You can use the System Profile Settings screen to enable specific system performance settings such as power management.
Viewing System Profile Settings
To view the System Profile Settings screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click System Profile Settings.
System Profile Settings details
About this task
The System Profile Settings screen details are explained as follows:
Pre-operating system management applications
15
Option Description
System Profile Sets the system profile. If you set the System Profile option to a mode other than Custom, the BIOS
automatically sets the rest of the options. You can only change the rest of the options if the mode is set
to Custom. This option is set to Performance Per Watt (OS) by default.
NOTE: All the parameters on the system profile setting screen are available only when the System
Profile option is set to Custom.
CPU Power
Management
Sets the CPU power management. This option is set to OS DBPM by default.
Memory
Frequency
Sets the speed of the system memory. You can select Maximum Performance, Maximum Reliability,
or a specific speed. This option is set to Maximum Performance by default.
Turbo Boost Enables or disables the processor to operate in the turbo boost mode. This option is set to Enabled by
default.
C1E Enables or disables the processor to switch to a minimum performance state when it is idle. This option is
set to Enabled by default.
C States Enables or disables the processor to operate in all available power states. This option is set to Enabled by
default.
Memory Refresh
Rate
Sets the memory refresh rate to either 1x or 2x. This option is set to 1x by default.
Uncore
Frequency
Enables you to select the Processor Uncore Frequency option.
Dynamic mode enables the processor to optimize power resources across the cores and uncore during
runtime. The optimization of the uncore frequency to either save power or optimize performance is
influenced by the setting of the Energy Efficiency Policy option.
Number of Turbo
Boost Enabled
Cores for
Processor 1
NOTE: If there are two processors installed in the system, you will see an entry for Number of
Turbo Boost Enabled Cores for Processor 2.
Controls the number of turbo boost enabled cores for Processor 1. The maximum number of cores is
enabled by default.
Monitor/Mwait Enables the Monitor/Mwait instructions in the processor. This option is set to Enabled for all system
profiles, except Custom by default.
NOTE: This option can be disabled only if the C States option in the Custom mode is set to
disabled.
NOTE: When C States is set to Enabled in the Custom mode, changing the Monitor/Mwait setting
does not impact the system power or performance.
PCI ASPM L1 Link
Power
Management
Enables or disables the PCI ASPM L1 Link Power Management. This option is set to Enabled by default.
System Security
You can use the System Security screen to perform specific functions such as setting the system password, setup password
and disabling the power button.
Viewing System Security
To view the System Security screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
16
Pre-operating system management applications
NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click System Security.
System Security Settings details
About this task
The System Security Settings screen details are explained as follows:
Option Description
CPU AES-NI Improves the speed of applications by performing encryption and decryption by using the Advanced
Encryption Standard Instruction Set (AES-NI). This option is set to Enabled by default.
System
Password
Sets the system password. This option is set to Enabled by default and is read-only if the password
jumper is not installed in the system.
Setup Password Sets the setup password. This option is read-only if the password jumper is not installed in the system.
Password Status Locks the system password. This option is set to Unlocked by default.
TPM Security
NOTE: The TPM menu is available only when the TPM module is installed.
Enables you to control the reporting mode of the TPM. The TPM Security option is set to Off by
default. You can only modify the TPM Status, and TPM Activation fields if the TPM Status field is set to
either On with Pre-boot Measurements or On without Pre-boot Measurements.
TPM Information Changes the operational state of the TPM. This option is set to No Change by default.
TPM Status Specifies the TPM status.
TPM Command Controls the Trusted Platform Module (TPM). When set to None, no command is sent to the TPM. When
set to Activate, the TPM is enabled and activated. When set to Deactivate, the TPM is disabled and
deactivated. When set to Clear, all the contents of the TPM are cleared. This option is set to None by
default.
CAUTION: Clearing the TPM results in the loss of all keys in the TPM. The loss of TPM keys
may affect booting to the operating system.
This field is read-only when TPM Security is set to Off. The action requires an additional reboot before it
can take effect.
Intel(R) TXT Enables or disables the Intel Trusted Execution Technology (TXT) option. To enable the Intel TXT option,
virtualization technology and TPM Security must be enabled with Pre-boot measurements. This option is
set to Off by default.
When TPM 2.0 is installed, TPM 2 Algorithm option is available. It enables you to select a hash algorithm
from those supported by the TPM (SHA1, SHA256). TPM 2 Algorithm option must be set to SHA256,
to enable TXT.
Intel(R) SGX Enables or disables the Intel Software Guard Extension (SGX) option. This option is set to Software by
default.
NOTE: The SGX menu is available, only when the SGX supported processor is installed.
SGX Launch
Control Policy
Allows controlling the Launch Control Policy (LCP) of Software Guard Extensions (SGX) technology. This
option is set to Unlocked by default.
Power Button Enables or disables the power button on the front of the system. This option is set to Enabled by default.
AC Power
Recovery
Sets how the system behaves after AC power is restored to the system. This option is set to Last by
default.
AC Power
Recovery Delay
Sets the time delay for the system to power up after AC power is restored to the system. This option is
set to Immediate by default.
Pre-operating system management applications 17
Option Description
User Defined
Delay (60 s to
240 s)
Sets the User Defined Delay option when the User Defined option for AC Power Recovery Delay is
selected.
UEFI Variable
Access
Provides varying degrees of securing UEFI variables. When set to Standard (the default), UEFI variables
are accessible in the operating system per the UEFI specification. When set to Controlled, selected UEFI
variables are protected in the environment and new UEFI boot entries are forced to be at the end of the
current boot order.
In-Band
Manageability
Interface
When set to Disabled, this setting will hide the Management Engine's (ME), HECI devices, and the
system's IPMI devices from the operating system. This prevents the operating system from changing the
ME power capping settings, and blocks access to all in-band management tools. All management should
be managed through out-of-band. This option is set to Enabled by default.
NOTE: BIOS update requires HECI devices to be operational and DUP updates require IPMI interface
to be operational. This setting needs to be set to Enabled to avoid updating errors.
Secure Boot Enables Secure Boot, where the BIOS authenticates each pre-boot image by using the certificates in the
Secure Boot Policy. Secure Boot is set to Disabled by default.
Secure Boot
Policy
When Secure Boot policy is set to Standard, the BIOS uses the system manufacturer’s key and
certificates to authenticate pre-boot images. When Secure Boot policy is set to Custom, the BIOS uses
the user-defined key and certificates. Secure Boot policy is set to Standard by default.
Secure Boot
Mode
Configures how the BIOS uses the Secure Boot Policy Objects (PK, KEK, db, dbx).
If the current mode is set to Deployed Mode, the available options are User Mode and Deployed Mode.
If the current mode is set to User Mode, the available options are User Mode, Audit Mode, and
Deployed Mode.
Options Description
User Mode
In User Mode, PK must be installed, and BIOS performs signature verification on
programmatic attempts to update policy objects.
The BIOS allows unauthenticated programmatic transitions between modes.
Audit Mode
In Audit mode, PK is not present. The BIOS does not authenticate programmatic
updates to the policy objects, and transitions between modes.
Audit Mode is useful for programmatically determining a working set of policy
objects.
BIOS performs signature verification on pre-boot images and logs results in the
image Execution Information Table, but executes the images whether they pass or
fail verification.
Deployed Mode
Deployed Mode is the most secure mode. In Deployed Mode, PK must be
installed and the BIOS performs signature verification on programmatic attempts to
update policy objects.
Deployed Mode restricts the programmatic mode transitions.
Secure Boot
Policy Summary
Specifies the list of certificates and hashes that secure boot uses to authenticate images.
Secure Boot
Custom Policy
Settings
Configures the Secure Boot Custom Policy. To enable this option, set the Secure Boot Policy to Custom
option.
Creating a system and setup password
Prerequisites
Ensure that the password jumper is enabled. The password jumper enables or disables the system password and setup password
features. For more information, see the System board jumper settings section.
18
Pre-operating system management applications
NOTE: If the password jumper setting is disabled, the existing system password and setup password are deleted and you
need not provide the system password to boot the system.
Steps
1. To enter System Setup, press F2 immediately after turning on or rebooting your system.
2. On the System Setup Main Menu screen, click System BIOS > System Security.
3. On the System Security screen, verify that Password Status is set to Unlocked.
4. In the System Password field, type your system password, and press Enter or Tab.
Use the following guidelines to assign the system password:
● A password can have up to 32 characters.
● The password can contain the numbers 0 through 9.
● Only the following special characters are allowed: space, (”), (+), (,), (-), (.), (/), (;), ([), (\), (]), (`).
A message prompts you to reenter the system password.
5. Reenter the system password, and click OK.
6. In the Setup Password field, type your setup password and press Enter or Tab.
A message prompts you to reenter the setup password.
7. Reenter the setup password, and click OK.
8. Press Esc to return to the System BIOS screen. Press Esc again.
A message prompts you to save the changes.
NOTE: Password protection does not take effect until the system reboots.
Using your system password to secure the system
About this task
If you have assigned a setup password, the system accepts your setup password as an alternate system password.
Steps
1. Power on or reboot your system.
2. Type the system password and press Enter.
Next steps
When Password Status is set to Locked, type the system password and press Enter when prompted at reboot.
NOTE:
If an incorrect system password is typed, the system displays a message and prompts you to reenter your password.
You have three attempts to type the correct password. After the third unsuccessful attempt, the system displays an error
message that the system has stopped functioning and must be turned off. Even after you turn off and restart the system,
the error message is displayed until the correct password is entered.
Deleting or changing system and setup password
Prerequisites
NOTE: You cannot delete or change an existing system or setup password if the Password Status is set to Locked.
Steps
1. To enter System Setup, press F2 immediately after turning on or restarting your system.
2. On the System Setup Main Menu screen, click System BIOS > System Security.
3. On the System Security screen, ensure that Password Status is set to Unlocked.
4. In the System Password field, change or delete the existing system password, and then press Enter or Tab.
5. In the Setup Password field, alter or delete the existing setup password, and then press Enter or Tab.
Pre-operating system management applications
19
NOTE: If you change the system password or setup password, a message prompts you to reenter the new password. If
you delete the system password or setup password, a message prompts you to confirm the deletion.
6. Press Esc to return to the System BIOS screen. Press Esc again, and a message prompts you to save the changes.
7. Select Setup Password, change, or delete the existing setup password and press Enter or Tab.
NOTE: If you change the system password or setup password, a message prompts you to reenter the new password. If
you delete the system password or setup password, a message prompts you to confirm the deletion.
Operating with setup password enabled
If Setup Password is set to Enabled, type the correct setup password before modifying the system setup options.
If you do not type the correct password in three attempts, the system displays the following message:
Invalid Password! Number of unsuccessful password attempts: <x> System Halted! Must
power down.
Password Invalid. Number of unsuccessful password attempts: <x> Maximum number of
password attempts exceeded.System halted.
Even after you turn off and restart the system, the error message is displayed until the correct password is typed. The following
options are exceptions:
● If System Password is not set to Enabled and is not locked through the Password Status option, you can assign a
system password. For more information, see the System Security Settings screen section.
● You cannot disable or change an existing system password.
NOTE:
You can use the password status option with the setup password option to protect the system password from
unauthorized changes.
Redundant OS Control
In the Redundant OS Control screen you can set the redundant OS information. This enables you to set up a physical recovery
disk on the system.
Viewing Redundant OS Control
To view the Redundant OS Control screen, perform the following steps:
Steps
1. Power on, or restart your system.
2. Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3. On the System Setup Main Menu screen, click System BIOS.
4. On the System BIOS screen, click Redundant OS Control.
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Dell PowerEdge R340 Reference guide

PowerEdge R340
Dell
Brand
Dell
Model
PowerEdge R340
Type
Reference guide
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